Heavy duty acoustic clear tube earphone with PTT and microphone that can be made for TETRA terminal Nokia/EADS THR880i, Motorola MTH800 , MTP850, Sepura SRP2000/SRP3000/SRH3500/SRH3800 and so on
PU and reinforced Kevlar materials

Kenwood TK208,TK308,TK2102,TK2130,TK260,TK270,TK278,TK2107,TK3107,TK2207,TK3207,TK2160,TK3160,TK2170,TK3170,
TK2202,TK3202,TK320,TK340,TK350,TK360,TK370,TK2140,TK3140,TK280,TK290,TK380,TK390,TK480,TK385 and so on.